Are you familiar with the Stanford University study that showed the ability to resist the temptation of a marshmallow resulted in lifelong success?  The concept of delayed gratification is a powerful trait, whether we’re talking healthy eating or saving for retirement.  This article, provided by Vanguard, makes the point well and provides tips for saving for your retirement as well:

https://personal.vanguard.com/us/insights/article/predicting-success_032012?link=topStories&linkLocation=Position2